Ultrasonic Repeller is a free iPhone application developed by Aleksandr Balyberdin that offers a convenient and cost-effective solution for pest control. While many people are aware of ultrasound's effectiveness in repelling mosquitoes and other insects, this app takes it a step further by also deterring rodents, dogs, and even unwanted human contact.

The app is incredibly easy to use, making it accessible to anyone with an iPhone. With Ultrasonic Repeller, there is no need to spend hundreds of dollars on a similar physical device. Simply download the app, and you have a portable and versatile pest control solution at your fingertips.

Ultrasonic Repeller falls under the Lifestyle category, specifically in the Health & Fitness subcategory. Its ability to repel a wide range of pests makes it a valuable tool for those looking to create a pest-free environment without the need for expensive equipment or harmful chemicals.